61531 ZIP Code, Farmington, IL

61531 is a ZIP code in Farmington, Illinois — mostly in Fulton County (63% of its land), with smaller parts in Knox and Peoria counties. It covers 56 square miles of land. The closest ZIP codes are 61553, 61432 and 61569. 3,007 people live here in 1,221 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (80%). Median household income is $70,107, below the Illinois median of $83,390.

Quick facts

Key figures

MeasureValue
Residents3,007
Households1,221
Median household income$70,107
Income per person$36,069
Median age39.2
Homeowners80.0%
Median home value$127,700
Median rent$931
Bachelor's degree or higher32.4%
Average commute (minutes)25.4
Households with kids under 1828.7%
Moved in the past year9.1%
Below the poverty line8.5%
Broadband internet89.4%
Speak a non-English language at home1.0%

Household income

% of householdsValue
<$10K4.8%
$10–15K1.5%
$15–25K8.6%
$25–35K4.2%
$35–50K15.6%
$50–75K19.8%
$75–100K10.7%
$100–150K16.3%
$150–200K14.5%
$200K+3.9%

Age

% of all residentsValue
<1014.0%
10–1914.6%
20–244.6%
25–3412.1%
35–4413.5%
45–549.0%
55–6411.2%
65–747.7%
75+13.2%

Tenure

% of housing unitsValue
Owned, with mortgage37.4%
Owned outright31.4%
Rented17.2%
Vacant14.0%

Type of building

% of housing unitsValue
Detached house86.4%
Townhome0.4%
2–4 units5.8%
5–19 units1.0%
20+ units2.1%
Mobile / other4.2%

Businesses in 61531

48 business establishments with 690 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 61531 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 61531

Where it ranks

Mail every home in 61531

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 61531, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 61531 in?
61531 is a Farmington, IL mailing address. By land area, 3% lies inside Farmington; the rest is outside any Census-defined city or community.
What county is 61531 in?
61531 is mostly in Fulton County (63% of its land), with smaller parts in Knox and Peoria counties.
What is the population of 61531?
About 3,007 people (±171), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 3,325.
What is the median household income in 61531?
$70,107 (±$7,935), compared with $83,390 for Illinois as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 61531?
EDDM2GO's stored route library does not include 61531 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 61531?
The closest, measured center to center: 61553 (4.3 mi, Norris), 61432 (6.5 mi, Fairview), 61569 (7.1 mi, Trivoli), 61572 (7.9 mi, Yates City), 61529 (8.6 mi, Elmwood) and 61520 (9.6 mi, Canton).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.